Vibration Analysis of Rotating Structures Composed of Beams and Shells Employing Multi-Reference Frames

보와 쉘로 구성된 회전 구조물의 다중 기준틀을 사용한 진동해석

In this paper, a modeling method for the vibration analysis of rotating structures composed of beams and shells employing multi-reference frames is presented. The rotary inertia effect and the geometric stiffening effect that results from centrifugal inertia force we considered for beams and shells with lumped mass model. In most previous studies, single reference frame has been employed for the vibration analysis. In the present study, a modeling method employing multi-reference frames is presented and the effects of employing multi-reference frames on the analysis accuracy are investigated through solving numerical examples.